Chock for boats



FIG. 1 is a side elevational, perspective view of the chock for boats showing my new design;

FIG. 2 is a side elevational view thereof, it being understood that both side views are the same;

FIG. 3 is an end view thereof, it being understood that both end views are the same;

FIG. 4 is a top, plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a cross-sectional view taken along the plane VI--VI of FIG. 2;

FIG. 7 is a cross-sectional view taken along the plane VII--VII of FIG. 2; and

FIG. 8 is a cross sectional view taken along the plane VIII--VIII of FIG. 2. 

The ornamental design for a chock for boats, as shown and described. 